members.asp in Snitz Forums 2000 version 3.3.03 and earlier allows remote attackers to execute arbitrary code via a SQL injection attack on the parameters (1) M_NAME, (2) UserName, (3) FirstName, (4) LastName, or (5) INITIAL.
http://www.iss.net/security_center/static/8898.php
http://forum.snitz.com/forum/topic.asp?TOPIC_ID=26770
http://archives.neohapsis.com/archives/bugtraq/2002-04/0279.html